The Sentry intercepts the untrusted code’s syscalls and handles them in user-space. It reimplements around 200 Linux syscalls in Go, which is enough to run most applications. When the Sentry actually needs to interact with the host to read a file, it makes its own highly restricted set of roughly 70 host syscalls. This is not just a smaller filter on the same surface; it is a completely different surface. The failure mode changes significantly. An attacker must first find a bug in gVisor’s Go implementation of a syscall to compromise the Sentry process, and then find a way to escape from the Sentry to the host using only those limited host syscalls.
Ellen Offredy / Bad Bones Films
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The iPhone 16e was missing a few elements that are now being added to the 17e, most notably MagSafe charging at Qi2 speeds. This means it can charge wirelessly at 15W compared to the 7.5W on last year’s model.
為了避免移工陷入「債務束縛」及強迫勞動風險，國際勞工組織（ILO）以及漁業等相關公約明確提出「由雇主支付招聘費用」的原則，也被稱為「移工零收費原則」。